CVE-2021-21095

Adobe Bridge versions 10.1.1 (and earlier) and 11.0.1 (and earlier) are affected by an Out-of-bounds write vulnerability when parsing a crafted file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector : AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://helpx.adobe.com/security/products/bridge/apsb21-23.html	Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-418/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:adobe:bridge::::::::
	cpe:2.3:a:adobe:bridge::::::::

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-04-15 14:15

Updated : 2023-11-07 03:29

NVD link : CVE-2021-21095

Mitre link : CVE-2021-21095

CVE.ORG link : CVE-2021-21095

JSON object : View

Products Affected

microsoft

windows

adobe

bridge

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2021-21095", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV30": [{"type": "Secondary", "source": "psirt@adobe.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-04-15T14:15:16.560", "references": [{"url": "https://helpx.adobe.com/security/products/bridge/apsb21-23.html", "tags": ["Vendor Advisory"], "source": "psirt@adobe.com"}, {"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-418/", "tags": ["Third Party Advisory", "VDB Entry"], "source": "psirt@adobe.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "psirt@adobe.com", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "Adobe Bridge versions 10.1.1 (and earlier) and 11.0.1 (and earlier) are affected by an Out-of-bounds write vulnerability when parsing a crafted file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}, {"lang": "es", "value": "Adobe Bridge versiones 10.1.1 (y anteriores) y versiones 11.0.1 (y anteriores), est\u00e1n afectadas por una vulnerabilidad de escritura fuera de l\u00edmites cuando analiza un archivo dise\u00f1ado. Un atacante no autenticado podr\u00eda aprovechar esta vulnerabilidad para lograr una ejecuci\u00f3n de c\u00f3digo arbitraria en el contexto del usuario actual. Es requerida una interacci\u00f3n del usuario para explotar este problema, ya que la v\u00edctima debe abrir un archivo malicioso"}], "lastModified": "2023-11-07T03:29:30.580", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:adobe:bridge:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CE782647-BC3F-45C5-AD2E-C352CA29FB80", "versionEndIncluding": "10.1.1", "versionStartIncluding": "10.0"}, {"criteria": "cpe:2.3:a:adobe:bridge:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "533DEE6C-BBEA-4417-B00A-2FBC74507F15", "versionEndIncluding": "11.0.1", "versionStartIncluding": "11.0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "psirt@adobe.com"}